Road-scraper.



J. M. HARRINGTON.

ROAD SGRAPEB.

' APPLICATION FILED JUNE s, 1909.

Patented Feb.22, 1910.

' adapted to engage the rear end of the beam H 3 when the said beam isprojected forwardly JOHN M. HARRINGTON, OF EDG-ER'ION JUNCTION,MISSOURI.

ROAD-SGRAPER.

To all whom it may concern:

Be it known that I, JOHN M. HARRINGTON, a citizen of the United States,residing at Edgerton Junction, in the county of Platte and State ofMissouri, have invented a new and useful Road-Scraper, of which thefollowing is a specification.

This invention has relation to road scrapers, and it consists in thenovel con struction and arrangement of its parts, as hereinafter shownand described.

The object of the invention is to provide a scraper as indicated whichconsists, primarily, of a main frame or spine having a draft beamslidably mounted thereon, and outrigging arms and standards connectedwith the said frame.

Means 1s provided for operatively connecting the said outriggingf armsand standards with the sliding beam upon the frame, so that when thebeam is moved longitudinally with relation to the! frame the outriggingarms and standards; are drawn toward the frame, while, when the saiddraft beam is telescoped within the frame, the said arms and standardsare extended laterally with relation to the frame. g The arms carrycutting members such as, disks, while the standards carry a scraperblade. The arms are pivotally connected at their inner ends to theframe, and means is provided for extending or drawing in the said armswith relation to the frame.

In the accompanying drawings :Figure 1 is a top plan view of thescraper. Fig. 2 is a rear end elevation of the same. Fig. 3 is aperspective view of a catch mechanism used upon the scraper. Fig. 4 is atransverse sectional view of a portion of the frame of the scrapershowing a bracket and adjacent parts located thereon. Fig. 5 is aperspective view of the intermediate portions of jointed brace used uponthe scraper. The scraper consists of a main frame or spine 1 which issupported at its rear portion upon a ground wheel 2. A beam orsupplemental frame 3 is slidably mounted upon the main frame 1 and isconfined to longitudinal movement with relation thereto by means ofguides 4 carried by the main frame, and is limited in its longitudinalmovement by means of a stop 5, which is also carried by the main frame 1and is Specification of Letters Patent.

Application filed June 3, 1909.

Patented Feb. 22, 1910.

Serial No. 499,909.

with relation to the main frame 1. An eye or clevis 6 is located at theforward end of the beam 3 and to which any draft means may be attached.A lever. 7 is fulcrumed upon the beam 3 and is provided with a catch orpin 8, which is adapted to engage one of the guides a mounted upon theframe 1 and which serves as a means for holding the beam 3 againstlongitudinal movement with relation to the frame 1.

Brackets 9 are pivotally attached to the frame 1, and crank shafts 10are journaled for rotation in the said brackets. The said shafts 10 areprovided with pinions 13. Arms 11 pass through the said brackets 9 andare provided with gear teeth 12, which mesh with the teeth of thepinions 13. Brackets ll are fixed to the outer portions of the arms 11,and the shafts 15 are journaled in the brackets 14, and pinions 16 aremounted upon the shafts 15. Standards 17 pass vertically through thebrackets 14 and are provided with gear teeth 18 which engage the teethof the pinions 16. WVheels 19 are freely castered at the lower ends ofthe standards 17. Disks 20 are journaled for rotation at the outerextremities of the arms 11. Rods 21 are pivotally connected at theirforward ends with the beams 3 and are pivotally connected at theiropposite ends with the arms 11. Jointed braces 22 are connected at theirforward ends with the frame 1 and at their rear ends with the outerportions of the arms 11. Each said 7 brace is provided at anintermediate point with a joint indicated at 23, (see Fig. 5) whichjoint is approximately the same as that which pivotally connects theblade of a pen-knife with its handle or an elbow joint of the human arm.Consequently, the said joint is free to break or swing in one direction,but is held rigid in other directions. An adductor 24:, (preferably inthe form of a flexible cable) is attached at one end to each of theouter portions of the arms 11 and passes around a pulley 25 located atthe forward portion of the frame 1, thence back around a pulley 26located at the rear portion of the frame 1, and is attached to the ofthe frame 1 carry a scraper blade 30. The standards 28 are provided withhinge joints 31, similar to the joints 23 heretofore described. Also thescraper blades 30 are provided with standards 17 and freely casteredwheels 19, similar to those heretofore described. Rods 31 are pivotallyconnected at their forward ends with the beam 3, and are pivotallyconnected at their rear ends with the scraper blades 30 at pointsintermediate of the ends thereof. Adductors or cables 32 are connectedat their forward outer ends to the forward end portions of the scraperblades 30 and pass around pulleys 33 journale'd upon the frame 1, andthence extend rearwardly. and pass around pulleys 34, journaled at therear portion of the said frame and connect with the beam 3.

From the above description it will be seen that, by rotating the shafts10, the arms 11 may be moved longitudinally in lateral direction withrelation to the frame 1, and, consequently, the disk 20 may bepositioned at any desired distance from the said frame.

It will also be seen that when the scraper moving in a straightforwarddirection, or when it is desired to bring the outer portions of the arms11 and the scraper blades 30 toward the spine or main frame 1 of theimplement, an operator may swing the lever 7 whereby the catch 8 isdisengaged from the guide 4 upon the frame 1, and, consequently, thebeam 3 is free to move longitudinally with relation to the said frame 1,until its rear end comes into contact with the stop 5. This relativelongitudinal movement upon the part of the beam 3 moves the rods 21 and31 longitudinally, which, in trrn, swing the outer portions of the arms11 and the scraper blades 30 toward the side of the frame 1. When thearms 11 and the scraper blades 30 swing toward the frame 1, as aboveindicated the oints 23 and 31 permit the braces 22 and 28 to swingtogether at their ends. At the same time that the beam 3 moveslongitudinally with relation to. the frame 1, the adductors 24: and 32are moved longitudinally, and their rear ends are carried in a forwarddirection b the said beam 3; consequently, the said ac ductors do notbecome slack, but further facilitate the drawing in of the outerportions of the arms 11 and the scraper blades 30.

When it is desired to extend the arms 11 and the scraper blades 30 withrelation to the frame 1, the beam 3 is slipped longitudinally within theframe 1 and, through the said rods 21 and 31, the outer portions of thearms 11 and the scraper blades 30 are forced in an outward direction,and the adductors 2 1 and 32 move longitudinally in directions oppositefrom those directions in which they move when the outer portions of thearms 11 and the scraper blades are swung toward the frame 1. i

i turn, convey the same to the center or middle of the road and formsthe crown thereof. By such an arrangement the blades may be positionedat desired distances with relation to each other when the scraper isoperating upon the surface of a road, and also when the scraper, as anentirety, is being transported along the road, the arms and standardsmay be brought toward the frame,-

whereby the implement may be readily passed along the road.

Having described my invention, what I claim as new and desire to secure,by Letters Patent, is

1. A scraper comprising a main frame, a draft beam telescopicallymounted thereon, an outrigged scraper blade pivotally connected with themain frame, and means connecting the said scraper blade with the beam tomove the scraper laterally with relation to the frame, when the saidbeam moves longitudinally with relation to the frame.

2. A scraper comprising a main frame, a draft beam telescopicallymounted thereon, an outrigged scraper pivotally connected with the mainframe, an inflexible rod pivotally connected at one end with thescraper, and at its other end with the beam, and a flexible adductorconnected at one end with the scraper, and at its other end with thebeam and pulleys mounted upon the main frame around which the saidadductor passes.

3. A scraper comprising a main frame, a draft beam telescopicallymounted thereon, an outrigged scraper pivotally connected with the mainframe, means operatively connecting the scraper with the draft beam tomove the scraper laterally with relation to the frame, when the beammoves longitudinally with relation thereto, an outrigged arm connectedwith the main frame, a disk journaled to said arm, and means operativelyconnecting the said arm with the said beam to swing the said armlaterally with relation to the main frame, when-the said beam moveslongitudinally with relation to the frame.

4. A scraper comprising a mainframe, a draft beam telescopically mountedthereon, an outrigged scraper blade connected with the frame, means formoving the scraper blade laterally when the beam moves longitudinallywith relation to the frame, an arm carrying a digger attached to theframe, and

means for moving the said arm laterally l by the arm and means forswinging the arm When the beam moves longitudinally With With relationto the frame as the beam moves relation to the frame. longitudinallywith relation thereto.

5. A scraper comprising a main frame, a In testimony that I claim theforegoing as 5 beam telescopically mounted thereon, a my own, I havehereto affixed my signature 15 scraper blade pivotally connected Withthe in the presence of tWo Witnesses.

frame, means for moving the scraper blade JOHN M. HARRINGTON. laterallyas the beam moves longitudinally XVitnesses: with relation to the frame,an arm pivot- A. O. HAMILTON,

10 ally connected to the frame, a digger carried EDWIN THATOHER.

